Pulsed Doppler Ultrasonography Guidance for Catheterization of the Subclavian Vein A Randomized Study

BackgroundCatheterization of the subclavian vein may lead to severe complications. The current randomized study compared a technique of pulsed Doppler ultrasonography guidance and the standard method for subclavian vein catheterization.MethodsStandard and Doppler ultrasonography guidance methods wer